Compatible with Smartphone: It can compatible with Android Os (above 4.4) and iPhone (above iOS 7.1). Download and install app"Veryfit for heart rate"to your smartphone from google play store or apple store, you can also scan QR code on the user manual. Then connect fitness tracker with smartphone by bluetooth.

Cool Fashional Design: combined with fashion, sports and business. With 0.86 inch OLED HD Display screen.Slim, comfortable and easy to wear. You will barely feel like you have anything on your wrist at all. Charger is Attached to the band itself on th etop. It goes inside the band.

No Charging Cable Needed - SMARTER fitness tracker can be removed off the strap and recharged from any 5V/1.0A USB power supply. Long-lasting battery: Just need to charge 1 hours and then you get a 7 days standby fitness tracker.

◆Smart fitness tracker! Use this revolutionary new device to track not only steps taken,but also distance traveled, calories burned and active minutes. You get INSTANT REMINDERS when CALLS or TEXTS are coming in, plus you can activate the Anti Lost feature to get alerted when your Phone becomes too far from the Smart Band. Never risk losing your phone again!

◆ADVANCED BLUETOOTH TECHNOLOGY MAKES YOUR LIFE EASIER ✔ Sync stats wirelessly and automatically to virtually any and every brand/model of Smart Phone. You get to take advantage of Bluetooth making connecting and transferring data to your Phone or mobile device a breeze every time.

◆IMPROVE SLEEP PATTERNS AND HABITS WITHOUT DISTURBING YOUR PARTNER ✔ Monitor how long and well you sleep, and wake only you (not your partner) with a silent alarm.

◆NEW DESIGN, USB interface, directly charging, convenient and quickly.It don't need the charge cable any more when you charge the wristband.

◆TAKE ADVANTAGE OF HELPFUL REMINDERS TO REACH YOUR GOALS QUICKER!! ✔ Set reminders to alert you when you have been sitting or motionless for too long. Take charge of your body today with our industry leading Smart Wristband! You'll get Serious versatility that can even transform your phone into a Remote Shooting Camera using the Smart Band to control the shots! ** Requires iOS 7.1 and above or Android 4.4 and above. This Smart Band Does NOT Work With WINDOWS PHONES.